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  3. S7t vs Redmi K40 Pro

Vivo S7t vs Xiaomi Redmi K40 Pro

What S7t does better (6) and where Redmi K40 Pro wins (10) — every spec side by side.

Vivo S7t
Vivo · 2021S7t
6.9Score
6 advantages≈ $370
vs
Xiaomi Redmi K40 Pro
Xiaomi · 2021Redmi K40 Pro
7.8Score
10 advantages≈ $390
Higher score
6.2Display7.9
7.6Camera8.2
3.1Battery4.2
7.1Features7.0
Dimensions

Size comparison

S7tRedmi K40 Pro
74.2 × 158.87.476.4 × 163.77.8
S7tRedmi K40 ProDifference
Height158.8 mm163.7 mm−4.9 mm
Width74.2 mm76.4 mm−2.2 mm
Thickness7.4 mm7.8 mm−0.4 mm
Weight169 g196 g−27 g

Drawn to the same scale from the official dimensions (front and side).

Why is S7t better than Redmi K40 Pro?

  1. Selfie camera44 MP vs 20 MP2.2×
  2. 4K selfie videoYes · Redmi K40 Pro: No
  3. Weight169 g vs 196 g+16%
  4. Pixel density409 ppi vs 395 ppi+4%
  5. Charged in 30 min66% vs 58%+14%
  6. Thickness7.4 mm vs 7.8 mm+5%

Why is Redmi K40 Pro better than S7t?

  1. Refresh rate60 Hz vs 120 Hz2×
  2. RAM8 GB vs 12 GB+50%
  3. Stereo speakersNo · S7t: Yes
  4. Battery capacity4,000 mAh vs 4,520 mAh+13%
  5. Max video4K vs 8K
  6. 4K video frame rate30 fps vs 60 fps2×
  7. CPU frequency2.6 GHz vs 2.84 GHz+9%
  8. Screen size6.4″ vs 6.7″+4%
  9. Process7 nm vs 5 nm+40%
  10. Wi-Fi standardWi-Fi 5 vs Wi-Fi 6E+30%
Specifications

Side by side

Vivo S7tVivo S7t≈ $3706.9
Design
Weight169 g196 g
Thickness7.4 mm7.8 mm
Height158.8 mm163.7 mm
Width74.2 mm76.4 mm
Ingress protection—IP53
Water resistance (IPx)—IPx3
Glass protection—Corning Gorilla Glass 5
ColoursBlack, White, Gradient BlueBlack, White, Aurora
Display
Screen size6.4″6.7″
PanelAMOLEDSuper AMOLED
OLED panelYesYes
Resolution (width)1,080 px1,080 px
Resolution (height)2,400 px2,400 px
Pixel density409 ppi395 ppi
Refresh rate60 Hz120 Hz
Peak brightness—1,300 nits
Screen-to-body ratio85%85.9%
HDR—Yes
Performance
ChipsetMediatek Dimensity 820Qualcomm SM8350 Snapdragon 888 5G
Chip makerMediaTekQualcomm
Process7 nm5 nm
CPU cores88
CPU frequency2.6 GHz2.84 GHz
GPUMali-G57 MC5Adreno 660
Memory
RAM8 GB12 GB
Storage (max)256 GB256 GB
Storage (base)128 GB128 GB
Storage typeUFS 2.1UFS 3.1
Memory card slotNoNo
Camera
Main camera64 MP64 MP
Main camera aperturef/1.9f/1.9
Main sensor size1/1.72"1/1.7"
Rear cameras22
Optical stabilisationNoNo
Ultra-wide cameraYesYes
Telephoto cameraNoNo
Max video4K8K
4K video frame rate30 fps60 fps
Selfie camera44 MP20 MP
4K selfie videoYesNo
Battery
Battery capacity4,000 mAh4,520 mAh
Battery type—Li-Po
Wired charging33 W33 W
Charged in 30 min66%58%
Wireless chargingNoNo
Connectivity
5GYesYes
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 6E
Bluetooth5.15.2
NFCYesYes
USBUSB Type-CUSB Type-C 2.0
USB version—2
Dual-band GPS—Yes
Satellite navigationGLONASS, GALILEO, BDS, QZSSGLONASS, GALILEO, BDS, QZSS, NavIC
Features
Stereo speakersNoYes
3.5 mm headphone jackNoNo
Fingerprint sensorUnder displaySide
Barometer—Yes
SensorsFingerprint (under display, optical), accelerometer, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Software
OS at launchAndroid 11Android 11
PlatformAndroidAndroid
InterfaceOriginOS 1.0MIUI 12
To compare: 0up to 4 models
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